BRPI0914056A2 - esquema de codificação e decodificação comutável de multiresolução - Google Patents
esquema de codificação e decodificação comutável de multiresoluçãoInfo
- Publication number
- BRPI0914056A2 BRPI0914056A2 BRPI0914056A BRPI0914056A BRPI0914056A2 BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2 BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2
- Authority
- BR
- Brazil
- Prior art keywords
- multiresolution
- switchable
- encoding
- decoding scheme
- decoding
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017663 | 2008-10-08 | ||
| US61/103,825 | 2008-10-08 | ||
| EP08017663.9 | 2008-10-08 | ||
| EP09002271.6 | 2009-02-18 | ||
| EP09002271A EP2144230A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme having cascaded switches |
| PCT/EP2009/007205 WO2010040522A2 (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0914056A2 true BRPI0914056A2 (pt) | 2015-11-03 |
| BRPI0914056B1 BRPI0914056B1 (pt) | 2019-07-02 |
Family
ID=42101010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0914056-5A BRPI0914056B1 (pt) | 2008-10-08 | 2009-10-07 | Esquema de codificação/decodificação de áudio comutado multi-resolução |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP2345030A2 (pt) |
| JP (1) | JP5555707B2 (pt) |
| KR (3) | KR20130133917A (pt) |
| CN (1) | CN102177426B (pt) |
| AR (1) | AR076060A1 (pt) |
| BR (1) | BRPI0914056B1 (pt) |
| CA (1) | CA2739736C (pt) |
| CO (1) | CO6362072A2 (pt) |
| MX (1) | MX2011003824A (pt) |
| MY (1) | MY154633A (pt) |
| RU (1) | RU2520402C2 (pt) |
| TW (2) | TWI520128B (pt) |
| WO (1) | WO2010040522A2 (pt) |
| ZA (1) | ZA201102537B (pt) |
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| EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| JP5547810B2 (ja) | 2009-07-27 | 2014-07-16 | インダストリー−アカデミック コーペレイション ファウンデイション， ヨンセイ ユニバーシティ | オーディオ信号を処理する方法及び装置 |
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| TW201214415A (en) * | 2010-05-28 | 2012-04-01 | Fraunhofer Ges Forschung | Low-delay unified speech and audio codec |
| EP2581902A4 (en) | 2010-06-14 | 2015-04-08 | Panasonic Corp | AUDIOHYBRID ENCODER AND AUDIOHYBRIDE DECODING DEVICE |
| KR101972762B1 (ko) | 2010-07-02 | 2019-04-29 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
| CN103119646B (zh) * | 2010-07-20 | 2016-09-07 | 弗劳恩霍夫应用研究促进协会 | 音频编码器、音频解码器、编码音频信息的方法以及解码音频信息的方法 |
| MX2013009305A (es) | 2011-02-14 | 2013-10-03 | Fraunhofer Ges Forschung | Generacion de ruido en codecs de audio. |
| ES2529025T3 (es) | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
| AR085218A1 (es) | 2011-02-14 | 2013-09-18 | Fraunhofer Ges Forschung | Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio |
| MY159444A (en) * | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| JP5712288B2 (ja) | 2011-02-14 | 2015-05-07 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 重複変換を使用した情報信号表記 |
| BR112013020587B1 (pt) | 2011-02-14 | 2021-03-09 | Fraunhofer-Gesellschaft Zur Forderung De Angewandten Forschung E.V. | esquema de codificação com base em previsão linear utilizando modelagem de ruído de domínio espectral |
| MX2013009304A (es) | 2011-02-14 | 2013-10-03 | Fraunhofer Ges Forschung | Aparato y metodo para codificar una porcion de una señal de audio utilizando deteccion de un transiente y resultado de calidad. |
| PL2676264T3 (pl) | 2011-02-14 | 2015-06-30 | Fraunhofer Ges Forschung | Koder audio estymujący szum tła podczas faz aktywnych |
| CA2827272C (en) | 2011-02-14 | 2016-09-06 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
| ES2715191T3 (es) | 2011-02-14 | 2019-06-03 | Fraunhofer Ges Forschung | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
| MY202459A (en) * | 2011-04-21 | 2024-04-30 | Samsung Electronics Co Ltd | Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium and electronic device therefor |
| US8977543B2 (en) | 2011-04-21 | 2015-03-10 | Samsung Electronics Co., Ltd. | Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore |
| US9349380B2 (en) * | 2011-06-30 | 2016-05-24 | Samsung Electronics Co., Ltd. | Apparatus and method for generating bandwidth extension signal |
| CN104040624B (zh) | 2011-11-03 | 2017-03-01 | 沃伊斯亚吉公司 | 改善低速率码激励线性预测解码器的非语音内容 |
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| KR101690899B1 (ko) | 2012-12-21 | 2016-12-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호의 불연속 전송에서 높은 스펙트럼-시간 해상도를 가진 편안한 잡음의 생성 |
| CN109448745B (zh) * | 2013-01-07 | 2021-09-07 | 中兴通讯股份有限公司 | 一种编码模式切换方法和装置、解码模式切换方法和装置 |
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| CN105264596B (zh) | 2013-01-29 | 2019-11-01 | 弗劳恩霍夫应用研究促进协会 | 用于码激励线性预测类编码器的无边信息的噪声填充 |
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| MX2009006201A (es) * | 2006-12-12 | 2009-06-22 | Fraunhofer Ges Forschung | Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal. |
| KR100883656B1 (ko) * | 2006-12-28 | 2009-02-18 | 삼성전자주식회사 | 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치 |
-
2009
- 2009-10-07 KR KR1020137031257A patent/KR20130133917A/ko not_active Ceased
- 2009-10-07 EP EP09736835A patent/EP2345030A2/en not_active Ceased
- 2009-10-07 WO PCT/EP2009/007205 patent/WO2010040522A2/en not_active Ceased
- 2009-10-07 KR KR1020117010644A patent/KR101403115B1/ko active Active
- 2009-10-07 TW TW102120721A patent/TWI520128B/zh active
- 2009-10-07 KR KR1020137011185A patent/KR20130069833A/ko not_active Withdrawn
- 2009-10-07 BR BRPI0914056-5A patent/BRPI0914056B1/pt active IP Right Grant
- 2009-10-07 EP EP19213835.2A patent/EP3640941A1/en not_active Ceased
- 2009-10-07 MX MX2011003824A patent/MX2011003824A/es active IP Right Grant
- 2009-10-07 CN CN200980140055.XA patent/CN102177426B/zh active Active
- 2009-10-07 JP JP2011530415A patent/JP5555707B2/ja active Active
- 2009-10-07 CA CA2739736A patent/CA2739736C/en active Active
- 2009-10-07 TW TW098133982A patent/TWI419148B/zh active
- 2009-10-07 MY MYPI2011001560A patent/MY154633A/en unknown
- 2009-10-07 RU RU2011117699/08A patent/RU2520402C2/ru active
- 2009-10-08 AR ARP090103876A patent/AR076060A1/es active IP Right Grant
-
2011
- 2011-04-06 ZA ZA2011/02537A patent/ZA201102537B/en unknown
- 2011-05-06 CO CO11055712A patent/CO6362072A2/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201102537B (en) | 2011-12-28 |
| TW201142827A (en) | 2011-12-01 |
| AR076060A1 (es) | 2011-05-18 |
| CN102177426B (zh) | 2014-11-05 |
| TWI520128B (zh) | 2016-02-01 |
| RU2520402C2 (ru) | 2014-06-27 |
| MY154633A (en) | 2015-07-15 |
| AU2009301358A8 (en) | 2011-05-26 |
| JP2012505423A (ja) | 2012-03-01 |
| BRPI0914056B1 (pt) | 2019-07-02 |
| KR20130133917A (ko) | 2013-12-09 |
| WO2010040522A3 (en) | 2010-09-02 |
| MX2011003824A (es) | 2011-05-02 |
| KR20110081291A (ko) | 2011-07-13 |
| TW201344679A (zh) | 2013-11-01 |
| WO2010040522A2 (en) | 2010-04-15 |
| TWI419148B (zh) | 2013-12-11 |
| CO6362072A2 (es) | 2012-01-20 |
| CN102177426A (zh) | 2011-09-07 |
| EP2345030A2 (en) | 2011-07-20 |
| JP5555707B2 (ja) | 2014-07-23 |
| RU2011117699A (ru) | 2012-11-10 |
| CA2739736A1 (en) | 2010-04-15 |
| KR101403115B1 (ko) | 2014-06-27 |
| KR20130069833A (ko) | 2013-06-26 |
| CA2739736C (en) | 2015-12-01 |
| EP3640941A1 (en) | 2020-04-22 |
| AU2009301358A1 (en) | 2010-04-15 |
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